Blood Pressure and Cold

At winter cold temperatures, the blood pressure values can rise. The risk of angina pectoris attacks, which can even trigger a heart attack, also increases. This is pointed out by the German Heart Foundation, which particularly warns people with heart disease against overexertion in the cold.

The reason for this is that blood vessels in the skin and other body regions constrict in the cold, thereby reducing their cross-section. This may also apply to the coronary arteries, which affects the oxygen supply to the heart.

Due to the narrowing of the vessels, the heart has to pump against increased resistance, which causes blood pressure to rise. This can be particularly dangerous in the morning and early hours, when the body switches from night to day mode and blood pressure values are often already elevated during these hours.

Extremely cold temperatures put a strain on the body, which reacts with an increased release of stress hormones, which in turn drives up blood pressure and pulse rates.

People with heart disease or high blood pressure are therefore advised to first take their prescribed medications and only then go outside. It is important to wear warm clothing to minimize cooling as much as possible. A scarf over the mouth helps to warm the inhaled air.

People who struggle with higher blood pressure values in winter are also advised to try increasing the room temperature a bit. It is advisable to review one's diet in winter. Often, especially during this season, people tend to eat fatty and rather unhealthy foods. Switching to a healthier diet with more fruits and vegetables and less salt can also alleviate the blood pressure situation.

Since heating air additionally dries out the body and can thicken the blood, it is important to ensure adequate fluid intake.

Moderate exercise is also recommended. This can include walks, for example. Being warmly wrapped up without exertion and possibly even walking through the winter landscape in sunshine releases happiness hormones, which are also good for the heart.

If you do not want to leave the house due to the weather conditions, you can also ensure movement at home - for example, through gymnastics or cycling on a stationary bike.

If your blood pressure values remain elevated despite all efforts, please consult your treating physician about it.

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This article is from BloodPressureDB the leading app since 2011 that supports hundreds of thousands in blood pressure monitoring every day. Our content is based on carefully researched, evidence-based data and is continuously updated (as of 04/2024).

Author Sabine Croci is a certified medical assistant with many years of experience in internal medicine and cardiology practices as well as in outpatient care, and has been leading the editorial team of BloodPressureDB since 2015. Thanks to her extensive additional qualifications as a paramedic, first responder, and in various therapy and emergency areas, she provides well-founded, practical, and reliably verified information.

Blood Pressure and Cold

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